<div class="fitem">
    <label>Username:</label>
    <input name="username" class="easyui-validatebox" required="true" />
</div>
<div class="fitem">
    <label>Password:</label>
    <input type="password" name="password" class="easyui-validatebox" required="true" />
</div>
<div class="fitem">
    <label>Email:</label>
    <input name="email" class="easyui-validatebox" validType="email" required="true" />
</div>